a) 1. Britain in the 1980s and early 1990s, had a large road building programme.
had - Active voice/ активный залог простое
2. It is not surprising that the car is becoming increasingly popular.
is not surprising - Active voice/ активный залог - Present Simple/настоящее простое
б) 1. Trams were first used in London in 1861, but they were all replaced by bus after 1945.
were used , were replaced - Passive voice/страдательный залог простое
2. Britain, because it is an island, has always been forced to have good trading relations with other countries.
is an island - Active voice/ активный залог - Present Simple/настоящее простое
has been forced - Passive voice/страдательный залог - Present Perfect /Настоящее Совершенное
Выделено капсом:
When he phoned his friends, they WERE WALKING in the garden.
2. My mother WAS COOKING dinner at 6 pm yesterday.
3. The children WERE PLAYING on the playground when it suddenly began to rain.
4. I WAS PLAYING the piano when he came home.
5. We WEREN'T CYCLING all morning yesterday.
6. While Bill WAS WORKING in his office, his friends WERE SWIMMING in the pool.
7. Mary tried to tell him the truth but he WASN'T LISTENING.
8. What WERE you DOING at 8 o’clock last night?
9. My grandfather WAS SITTING in the park all evening.
10. WAS Alice STUDYING English yesterday at 4:00 pm?
